perf: benchmark chunk file from file storage vs object storage

subfile-exchange/benches/new_chunk_file.rs

@@ -1,16 +1,35 @@
+use criterion::async_executor::FuturesExecutor;
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use subfile_exchange::{subfile::ChunkFile, test_util::CHUNK_SIZE};
 
-fn new_chunk_file_benchmark(c: &mut Criterion) {
+use subfile_exchange::{
+    subfile::{local_file_system::Store, ChunkFile},
+    test_util::CHUNK_SIZE,
+};
+fn new_chunk_file_benchmark_file_store(c: &mut Criterion) {
     // ChunkFile::new(&self.config.read_dir, file_name, self.config.chunk_size)
     let read_dir = black_box("../example-file");
     let file_name = black_box("0017234600.dbin.zst");
     let file_size = black_box(CHUNK_SIZE);
 
-    c.bench_function("new_chunk_file", |b| {
+    c.bench_function("new_chunk_file_benchmark_file_store", |b| {
         b.iter(|| ChunkFile::new(read_dir, file_name, file_size).unwrap())
     });
 }
 
-criterion_group!(benches, new_chunk_file_benchmark);
+fn new_chunk_file_benchmark_object_store(c: &mut Criterion) {
+    let store = black_box(Store::new("../example-file").unwrap());
+    let file_name = black_box("0017234600.dbin.zst");
+    let file_size = black_box(Some(CHUNK_SIZE as usize));
+
+    c.bench_function("new_chunk_file_benchmark_object_store", |b| {
+        b.to_async(FuturesExecutor)
+            .iter(|| store.chunk_file(file_name, file_size))
+    });
+}
+
+criterion_group!(
+    benches,
+    new_chunk_file_benchmark_file_store,
+    new_chunk_file_benchmark_object_store
+);
 criterion_main!(benches);